import random
import string

stra=""
for i in range(6):
    stra+=str(random.randint(1,9))
stra+="."
for p in range(10):
    # stra += random.sample('zyxwvutsrqponmlkjihgfedcba', 1)[0]
    stra += random.sample(str(string.ascii_lowercase),1)[0]
print(stra)
